LE79R79-1DJCT datasheet, PDF - EEWORLD Datasheet

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LE79R79-1DJCT: DescriptionIC SLIC 1CH 52DB LGBAL 32PLCC; CategoryWireless rf/communication Telecom circuit; File Size362KB，26 Pages; ManufacturerMicrosemi; Websitehttps://www.microsemi.com; Environmental Compliance

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LE79R79-1DJCT Overview

IC SLIC 1CH 52DB LGBAL 32PLCC

LE79R79-1DJCT Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Microsemi
Parts packaging code	LCC
package instruction	QCCJ, LDCC32,.5X.6
Contacts	32
Reach Compliance Code	compliant
battery fed	CONSTANT CURRENT
Battery powered	-19 TO -75 V
mix	2-4 CONVERSION
JESD-30 code	R-PQCC-J32
JESD-609 code	e3
length	13.97 mm
maximum noise	79 dBrnC
Number of functions	1
Number of terminals	32
Maximum operating temperature	70 °C
Minimum operating temperature
PSRR-Min	30 dB
Package body material	PLASTIC/EPOXY
encapsulated code	QCCJ
Encapsulate equivalent code	LDCC32,.5X.6
Package shape	RECTANGULAR
Package form	CHIP CARRIER
power supply	5 V
Certification status	Not Qualified
Maximum seat height	3.556 mm
Maximum slew rate	9 mA
Nominal supply voltage	5 V
surface mount	YES
technology	BIPOLAR
Telecom integrated circuit types	SLIC
Temperature level	COMMERCIAL
Terminal surface	MATTE TIN
Terminal form	J BEND
Terminal pitch	1.27 mm
Terminal location	QUAD
width	11.43 mm
Base Number Matches	1

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™

Le79R79

Ringing Subscriber Line Interface Circuit

VE580 Series

APPLICATIONS

Ideal for short-loop applications

Ideal for ISDN-TA and fixed radio access applications

Integrated Access Devices (IADs)

Network Interface Units (NIUs)

Cable Modems

DSL Modems

Set Top / House Side Boxes

Intelligent PBX

Pain Gain

FXS Cards

Voice over ISDN or T1/E1

Smart Residential Gateways

WLL, APON, FITL, NGN, and all other short-loop CPE/

Enterprise telephony applications

ORDERING INFORMATION

Device

Le79R79-1DJC

Le79R79-2DJC

Le79R79-3DJC

Le79R79-1FQC

Le79R79-2FQC

32-pin QFN

(Green package)

Tray

Package Type

2, 3

32-pin PLCC

(Green package)

Packing

Tube

-1: 52 dB Longitudinal Balance, Polarity Reversal

-2: 63 dB Longitudinal Balance, Polarity Reversal

-3: 52 dB Longitudinal Balance, No Polarity Reversal

Zarlink

reserves the right to fulfill all orders for this device with

parts marked with the "Am" part number prefix until all inventory

bearing this mark has been depleted. Note that parts marked with

either the "Am" or the "Le" part number prefix are equivalent

devices in terms of form, fit, and function—the prefix appearing on

the topside mark is the only difference.

Due to size constraints, QFN devices are marked by omitting the

“Le” prefix and the performance grade dash character. For

example, Le79R79-1FQC is marked 79R791FQC.

The green package meets RoHS Directive 2002/95/EC of the

European Council to minimize the environmental impact of

electrical equipment.

For delivery using a tape and reel packing system, add a "T" suffix

to the OPN (Ordering Part Number) when placing an order.

FEATURES

Through trapezoidal ringing

On-chip ring-trip detector

Low standby state power

Battery operation:

— V

BAT1

: –40.5 to –75 V

— V

BAT2

: –19 V to V

BAT1

On-chip battery switching and feed selection

On-hook transmission

Two-wire impedance set by single external impedance

Programmable constant-current feed

Programmable Open Circuit voltage

Programmable loop-detect threshold

Current gain = 1000

Ground-key detector

Polarity reversal option available

Internal V

regulator (no external –5 V power supply

required)

DESCRIPTION

The Le79R79 Ringing SLIC device is a bipolar monolithic SLIC

that offers on-chip ringing. Designers can achieve significant

cost reductions at the system level for short-loop applications

by integrating the ringing function on chip. Examples of such

applications would be ISDN terminal adaptors, fiber-in-the-

loop, radio-in-the-loop, hybrid fiber/coax and video telephony

(home-side) boxes. The Le79R79 Ringing SLIC device can

provide sufficient voltage to meet the stringent LSSGR five-

ringer equivalent specification. Using a CMOS-compatible

input waveform and wave shaping R-C network, the Le79R79

Ringing SLIC device can provide trapezoidal wave ringing to

meet various design requirements.

See the

Le79R79 Block Diagram,

on page 4.

RELATED LITERATURE

080917 Ve790 Series RSLIC Device Product Brief

080158 Le79R70/79/100/101 Technical Overview

080914 Le79R79 RSLIC Device User’s Guide

080810 Le71HR0021 Reference Design User’s Guide

080255 Le71HE0040J Evaluation Board User’s Guide

080458 Le79R100/101 v. Le79R79 Comparison Brief

080753 Le58QL02/021/031 QLSLAC™ Data Sheet

Document ID#:

080152

Date:

Sep 19, 2007

Rev:

Version:

Distribution:

Public Document

Le79R79

TABLE OF CONTENTS

Data Sheet

Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Related Literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Transmission Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Longitudinal Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Idle Channel Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Insertion Loss and Four-to-Four-Wire Balance Return Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Line Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Power Supply Rejection Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Supply Currents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Logic Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Ring-Trip Detector Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Ring Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Ground-Key Detector Thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Loop Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Relay Driver Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Relay Driver Schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

SLIC Device Decoding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

User-Programmable Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

DC Feed Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Ring-Trip Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Test Circuits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Le79R79 Test Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Application Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Physical Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

32-pin PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

32-pin QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision B to C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision C to D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision D to E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision E to F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision F to G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision G to H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision H to I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision I to J1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision J1 to K1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision K1 to L1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision L1 to M1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Revision M1 to N1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Zarlink Semiconductor Inc.

Le79R79

PRODUCT DESCRIPTION

Data Sheet

The

Zarlink

family of subscriber line interface circuit (SLIC) products provide the telephone interface functions required

throughout the worldwide market.

Zarlink

SLIC devices address all major telephony markets including central office (CO), private

branch exchange (PBX), digital loop carrier (DLC), fiber-in-the-loop (FITL), radio-in-the-loop (RITL), hybrid fiber coax (HFC), and

video telephony applications.

The

Zarlink

SLIC devices offer support of BORSHT (battery feed, overvoltage protection, ringing, supervision, hybrid, and test)

functions with features including current limiting, on-hook transmission, polarity reversal, Tip Open, and loop-current detection.

These features allow reduction of linecard cost by minimizing component count, conserving board space, and supporting

automated manufacturing.

The

Zarlink

SLIC devices provide the two- to four-wire hybrid function, DC-loop feed, and two-wire supervision. Two-wire

termination is programmed by a scaled impedance network. Transhybrid balance can be achieved with an external balance circuit

or simply programmed using a companion

Zarlink

codec/filter, such as the Le58QL0xx Quad SLAC (QLSLAC™) device.

The Le79R79 Ringing SLIC device is a bipolar monolithic SLIC that offers on-chip ringing. Now designers can achieve significant

cost reductions at the system level for short-loop applications by integrating the ringing function on chip. Examples of such

applications would be ISDN terminal adaptors, fiber-in-the-loop, radio-in-the-loop, hybrid fiber/coax and video telephony (home-

side) boxes. The Le79R79 Ringing SLIC can provide sufficient voltage to meet the stringent LSSGR five-ringer equivalent

specification. Using a CMOS-compatible input waveform and wave shaping R-C network, the Le79R79 Ringing SLIC can provide

trapezoidal wave ringing to meet various design requirements.

In order to further enhance the suitability of this device in short-loop, distributed switching applications,

Zarlink

has maximized

power savings by incorporating battery switching on chip. The Le79R79 Ringing SLIC device switches between two battery

supplies such that in the off-hook (active) state, a low battery is used to save power. In order to meet the Open Circuit voltage

requirements of fax machines and maintenance termination units (MTU), the SLIC device automatically switches to a higher

voltage in the On-hook (Standby) state.

Like all of the

Zarlink

SLIC devices, the Le79R79 Ringing SLIC device supports on-hook transmission, ring-trip detection,

programmable loop-detect threshold, and is available with on-chip polarity reversal. The Le79R79 Ringing SLIC device is a

programmable constant-current feed device with two on-chip relay drivers to operate external relays. Several performance grades

are available to meet both CCITT and LSSGR requirements, including various longitudinal balance options.

Figure 1. Le79R79 Block Diagram

Relay Driver

RTRIP1

RTRIP2

RYOUT2

RYE

Relay Driver

A(TIP)

Ring-Trip

Detector

RYOUT1

Input Decoder

and Control

HPA

Two-Wire

Interface

Ground-Key

Detector

Off-Hook

Detector

DET

VTX

RSN

HPB

Signal

Transmission

B(RING)

Power-Feed

Controller

RINGIN

RDC

RDCR

VBAT2

RSGL

Switch

Driver

RSGH

B2EN

VBAT1

VCC VNEG

BGND

AGND/DGND

Zarlink Semiconductor Inc.

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Description	IC SLIC 1CH 52DB LGBAL 32PLCC	IC slic 1ch 52db lgbal 32qfn	IC slic 1ch 63db lgbal 32plcc	IC slic 1ch 63db lgbal 32qfn	IC slic 1ch 52db lgbal 32plcc	IC slic 1ch 52db lgbal 32plcc	IC slic 1ch 52db lgbal 32qfn	IC slic 1ch 63db lgbal 32qfn	IC slic 1ch 63db lgbal 32plcc
Is it Rohs certified?	conform to	conform to	conform to	conform to	conform to	conform to	conform to	conform to	conform to
Maker	Microsemi	Microsemi	Microsemi	Microsemi	Microsemi	Microsemi	Microsemi	Microsemi	Microsemi
Parts packaging code	LCC	QFN	LCC	QFN	LCC	LCC	QFN	QFN	LCC
package instruction	QCCJ, LDCC32,.5X.6	HVQCCN, LCC32,.35SQ,32	QCCJ,	HVQCCN, LCC32,.35SQ,32	QCCJ, LDCC32,.5X.6	QCCJ, LDCC32,.5X.6	HVQCCN,	HVQCCN, LCC32,.35SQ,32	QCCJ, LDCC32,.5X.6
Contacts	32	32	32	32	32	32	32	32	32
Reach Compliance Code	compliant	compli	compli	compli	compli	compli	compliant	compliant	compliant
JESD-30 code	R-PQCC-J32	S-XQCC-N32	R-PQCC-J32	S-XQCC-N32	R-PQCC-J32	R-PQCC-J32	S-XQCC-N32	S-XQCC-N32	R-PQCC-J32
JESD-609 code	e3	e3	e3	e3	e3	e3	e3	e3	e3
length	13.97 mm	8 mm	13.97 mm	8 mm	13.97 mm	13.97 mm	8 mm	8 mm	13.97 mm
Number of functions	1	1	1	1	1	1	1	1	1
Number of terminals	32	32	32	32	32	32	32	32	32
Maximum operating temperature	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C
Package body material	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED	PLASTIC/EPOXY
encapsulated code	QCCJ	HVQCCN	QCCJ	HVQCCN	QCCJ	QCCJ	HVQCCN	HVQCCN	QCCJ
Package shape	RECTANGULAR	SQUARE	RECTANGULAR	SQUARE	RECTANGULAR	RECTANGULAR	SQUARE	SQUARE	RECTANGULAR
Package form	CHIP CARRIER	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER	CHIP CARRIER	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	3.556 mm	1 mm	3.556 mm	1 mm	3.556 mm	3.556 mm	1 mm	1 mm	3.556 mm
Nominal supply voltage	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES	YES	YES	YES	YES	YES
technology	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
Telecom integrated circuit types	SLIC	SLIC	SLIC	SLIC	SLIC	SLIC	SLIC	SLIC	SLIC
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal surface	MATTE TIN	MATTE TIN	Matte Tin (Sn)	MATTE TIN	MATTE TIN	MATTE TIN	Matte Tin (Sn)	MATTE TIN	MATTE TIN
Terminal form	J BEND	NO LEAD	J BEND	NO LEAD	J BEND	J BEND	NO LEAD	NO LEAD	J BEND
Terminal pitch	1.27 mm	0.8 mm	1.27 mm	0.8 mm	1.27 mm	1.27 mm	0.8 mm	0.8 mm	1.27 mm
Terminal location	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD
width	11.43 mm	8 mm	11.43 mm	8 mm	11.43 mm	11.43 mm	8 mm	8 mm	11.43 mm
battery fed	CONSTANT CURRENT	CONSTANT CURRENT	-	CONSTANT CURRENT	CONSTANT CURRENT	CONSTANT CURRENT	-	CONSTANT CURRENT	CONSTANT CURRENT
Battery powered	-19 TO -75 V	-19 TO -75 V	-	-19 TO -75 V	-19 TO -75 V	-19 TO -75 V	-	-19 TO -75 V	-19 TO -75 V
mix	2-4 CONVERSION	2-4 CONVERSION	-	2-4 CONVERSION	2-4 CONVERSION	2-4 CONVERSION	-	2-4 CONVERSION	2-4 CONVERSION
maximum noise	79 dBrnC	79 dBrnC	-	79 dBrnC	79 dBrnC	79 dBrnC	-	79 dBrnC	79 dBrnC
Encapsulate equivalent code	LDCC32,.5X.6	LCC32,.35SQ,32	-	LCC32,.35SQ,32	LDCC32,.5X.6	LDCC32,.5X.6	-	LCC32,.35SQ,32	LDCC32,.5X.6
power supply	5 V	5 V	-	5 V	5 V	5 V	-	5 V	5 V
Maximum slew rate	9 mA	9 mA	-	9 mA	9 mA	9 mA	-	9 mA	9 mA
Base Number Matches	1	1	1	-	1	-	-	1	-

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